- Politics
- Attack
- Intelligence
Politics:
Once these are in the position of MAYOR...
- The population of the city they are in will increase faster. The higher the level, the higher the faster the regeneration.
- Resource production will be increased. The higher the level, the greater the increase.
- Wall defences build times are also decreased
- They auto-generate prestige, experience and gold.
They have no other use (that i am aware of).
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Attack:
Once these are in the position of MAYOR...
- The troop production time will decrease. The higher the level of attack, the faster troops can be trained.
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Intelligence:
Once these are in the position of MAYOR... - The research time of any given technology is decreased. The higher the intelligence the faster it takes to research something.
- If you have been attacked, and are being suppressed, the fewer casualties you will take.
- Once an upgrade to your hero gear has been applied, the cooldown is decreased.
- [debatable] When upgrading your star level for your hero gear, the more luckier you are in the success rate.